<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h3>这是小图</h3>
<img src="../img/QQ图片20190627223950.jpg" alt=""  width="100px" height="100px">
<h3>这是大图</h3>
<img src="../img/QQ图片20190627223950.jpg" alt=""  width="250px" height="250px">
</body>
</html>